util/bufferiszero: Introduce biz_accel_fn typedef

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

diff --git a/util/bufferiszero.c b/util/bufferiszero.c
index c9a7ded01661a24dda930804959103e9032b5660..f9af7841badebdcbd23ba8727023b5bc1cb58524 100644 (file)
--- a/util/bufferiszero.c
+++ b/util/bufferiszero.c
@@ -26,7 +26,8 @@
 #include "qemu/bswap.h"
 #include "host/cpuinfo.h"
 
-static bool (*buffer_is_zero_accel)(const void *, size_t);
+typedef bool (*biz_accel_fn)(const void *, size_t);
+static biz_accel_fn buffer_is_zero_accel;
 
 static bool buffer_is_zero_int_lt256(const void *buf, size_t len)
 {
@@ -184,7 +185,7 @@ select_accel_cpuinfo(unsigned info)
     /* Array is sorted in order of algorithm preference. */
     static const struct {
         unsigned bit;
-        bool (*fn)(const void *, size_t);
+        biz_accel_fn fn;
     } all[] = {
 #ifdef CONFIG_AVX2_OPT
         { CPUINFO_AVX2,    buffer_zero_avx2 },
@@ -231,7 +232,7 @@ bool test_buffer_is_zero_next_accel(void)
 #define INIT_ACCEL buffer_is_zero_int_ge256
 #endif
 
-static bool (*buffer_is_zero_accel)(const void *, size_t) = INIT_ACCEL;
+static biz_accel_fn buffer_is_zero_accel = INIT_ACCEL;
 
 bool buffer_is_zero_ool(const void *buf, size_t len)
 {